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Princess|Lab Grown|IGI

2.51ct D FL Princess Lab Grown Diamond

EX • D/FL • IGI LG792676477

Shape and cutting style on the report: Princess cut

Certificate IGI LG792676477

Diamond specifications and retailer prices

From £1,961 GBP
HK$20,400 HKD
As of October 30, 2026
Save £5,203 GBP (73%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £7,164 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.51ct lab-grown princess diamond

This 2.51ct lab-grown princess sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG792676477 or 792676477. Listed at 17 retailers as of October 29, 2026, with prices from £1,961 to £7,164, a £5,203 spread on the same certified stone. Brilliant Earth lists it at £7,164. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.51
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792676477
Dimensions7.51 × 7.40 × 5.31 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.51 mm7.40 mm2.51 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792676477
Side View
Table 68.0%Crown 43.7°Girdle: MediumPavilion 37.7°Culet: NoneDepth 71.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £7,164 GBP|Low: £1,961 GBP|High: £8,645 GBP|Avg: £4,969 GBP|-1.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 3£1,961 GBP
Retailer 10£2,138 GBP
Retailer 8£2,331 GBP
Retailer 7£2,389 GBP
Retailer 6£2,401 GBP
Retailer 5£3,044 GBP
Retailer 4£3,462 GBP
Retailer 12£3,821 GBP
Retailer 11£4,383 GBP
Retailer 14£4,577 GBP
Retailer 13£4,877 GBP
Retailer 15£5,674 GBP
Retailer 9£5,947 GBP
Retailer 2£6,215 GBP
Brilliant Earth£7,164 GBP

44 data points across 15 retailers

17 retailers£1,961 GBP to £7,164 GBP

A
Cheapest Retailer
-
£1,961 GBP
HK$20,400 HKD
A
Retailer 2
-
£2,138 GBP
$2,847 USD
View
A
Retailer 3
-
£2,331 GBP
View
A
Retailer 4
-
£2,389 GBP
$3,182 USD
View
Retailer 5
-
£2,401 GBP
$3,198 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
£3,044 GBP
$4,053 USD
View
Retailer 7
-
£3,347 GBP
$4,458 USD
View
Price last confirmed 110 days ago
B+
Retailer 8
-
£3,462 GBP
$4,610 USD
View
B+
Retailer 9
-
£3,821 GBP
€4,846 EUR
View
B+
Retailer 10
-
£4,382 GBP
$5,835 USD
View
B+
Retailer 11
-
£4,383 GBP
ZAR 94,293 ZAR
View
B+
Retailer 12
-
£4,577 GBP
$6,095 USD
View
B+
Retailer 13
-
£4,877 GBP
View
B
Retailer 14
-
£5,674 GBP
SGD 10,210 SGD
View
B
Retailer 15
-
£5,947 GBP
$7,920 USD
View
B
Retailer 16
-
£6,215 GBP
$8,276 USD
View
Most Expensive
B
Brilliant Earth
19356918A · Oct 29
£7,164 GBP
$9,540 USD
View
16 more retailers have this diamond
Prices start from £1,961 GBPSave up to £5,203 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
2.51ct Princess
£1,961 GBP